From mboxrd@z Thu Jan 1 00:00:00 1970 From: "David S. Miller" Subject: [PATCH 20/51] nf_conntrack_core: Stop using NLA_PUT*(). Date: Sun, 1 Apr 2012 22:58:10 -0400 Message-ID: <1333335521-1348-21-git-send-email-davem@davemloft.net> References: <1333335521-1348-1-git-send-email-davem@davemloft.net> Cc: "David S. Miller" To: netdev@vger.kernel.org Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:46712 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754070Ab2DBC7h (ORCPT ); Sun, 1 Apr 2012 22:59:37 -0400 In-Reply-To: <1333335521-1348-1-git-send-email-davem@davemloft.net> Sender: netdev-owner@vger.kernel.org List-ID: From: "David S. Miller" These macros contain a hidden goto, and are thus extremely error prone and make code hard to audit. Signed-off-by: David S. Miller --- net/netfilter/nf_conntrack_core.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index cbdb754..b0ab8c4 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -1151,8 +1151,9 @@ static struct nf_ct_ext_type nf_ct_zone_extend __read_mostly = { int nf_ct_port_tuple_to_nlattr(struct sk_buff *skb, const struct nf_conntrack_tuple *tuple) { - NLA_PUT_BE16(skb, CTA_PROTO_SRC_PORT, tuple->src.u.tcp.port); - NLA_PUT_BE16(skb, CTA_PROTO_DST_PORT, tuple->dst.u.tcp.port); + if (nla_put_be16(skb, CTA_PROTO_SRC_PORT, tuple->src.u.tcp.port) || + nla_put_be16(skb, CTA_PROTO_DST_PORT, tuple->dst.u.tcp.port)) + goto nla_put_failure; return 0; nla_put_failure: -- 1.7.7.6